Tech excellence, human relevance

IT consulting and expert teams for Microsoft 365, security, AI and messaging We make the difference.

For health insurers, energy providers, public authorities and IT service providers in Switzerland. We specialise in email infrastructure for environments with up to 50,000 users.

14+ years of experience
50,000 users in the largest environment
65 technical publications

Where to start

What's on the agenda?

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Operating model

Outsource know-how, not servers.

Your own team runs day-to-day IT. For 3rd-level support, you bring in our specialists, without hiring a full-time expert for every field.

How expert teams work

References

Selected projects

All reference projects

Industries and systems

Industries and platforms

Regulated industries, large user bases and environments that have grown over the years.

Health insurers & insurance companies Large Exchange and gateway environments with HIN connectivity and strict data protection requirements.
Healthcare Secure email via HIN and encryption gateways, auditable.
Energy service providers Bulk mailing from SAP, mail hubs and highly available relays.
Public administration Hardened platforms for administration, emergency services and law enforcement.
IT service providers Messaging portfolios, shared platforms and know-how directly in the engineering team.
Organisations in transition Merger, carve-out or tenant change: transformations without interruption to email.
Microsoft 365 · Identity Microsoft cloud
  • Exchange Online, Hybrid and Server SE
  • Teams and Teams Phone
  • Entra ID and Active Directory
  • Purview and archiving
Protect · Detect · Respond Security
  • Hardening of Microsoft 365 and AD
  • Penetration tests for mail and identity
  • Incident response and forensics
  • CVE and KEV monitoring
Vendor-independent AI & Automation
  • Models from Anthropic, OpenAI and Microsoft
  • Agents via MCP
  • PowerShell and Microsoft Graph
  • Pipelines and reporting
Our deepest specialisation Messaging
  • HIN, SEPPmail, Kiteworks
  • Cisco, FortiMail, Proofpoint
  • SPF, DKIM, DMARC, MTA-STS, DANE
  • Load tests and sizing

Free quick check

How well is your domain protected?

Check SPF, DKIM, DMARC, MTA-STS, DANE and DNSSEC in seconds. No sign-up needed, and only you see the result.

Opens the mail DNS check on rafaelpfister.ch in a new tab.

Expertise

The most-read technical articles

All technical articles

Let's talk about your project.

  1. Get in touchA few sentences will do
  2. AssessmentWhere you stand, risks, options
  3. QuoteWith transparent terms
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